Nah, Amigas are always round. Does it match the 1541-II? If so, it'll run either the 1541-II or an Amiga A590 external hard drive

The PAL thing shouldn't be too much of an issue, are you going to try use it via RF modulator, or direct composite output from the monitor port? If you go direct composite it'll work regardless unless it's american

Just the local Commodore hobo and middle-aged PC hoarder.eisa on Trademe. A lasting reminder of a Compaq fetish when I was younger.